/
tmdb.go
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/
tmdb.go
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package provider
import (
"fmt"
"strconv"
"time"
"github.com/l3uddz/mediarr/config"
"github.com/l3uddz/mediarr/logger"
"github.com/l3uddz/mediarr/utils/lists"
"github.com/l3uddz/mediarr/utils/web"
"github.com/imroc/req"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"go.uber.org/ratelimit"
)
/* Const */
const (
TmdbRateLimit int = 3
)
/* Struct */
type Tmdb struct {
log *logrus.Entry
cfg map[string]string
fnIgnoreExistingMediaItem func(*config.MediaItem) bool
fnAcceptMediaItem func(*config.MediaItem) bool
apiUrl string
apiKey string
timeout int
reqRatelimit *ratelimit.Limiter
reqRetry web.Retry
genres map[int]string
supportedShowsSearchTypes []string
supportedMoviesSearchTypes []string
}
type TmdbGenre struct {
Id int
Name string
}
type TmdbGenreResponse struct {
Genres []TmdbGenre
}
type TmdbMoviesResponse struct {
Results []struct {
Popularity float64 `json:"popularity"`
VoteCount int `json:"vote_count"`
Video bool `json:"video"`
PosterPath string `json:"poster_path"`
ID int `json:"id"`
Adult bool `json:"adult"`
BackdropPath string `json:"backdrop_path"`
OriginalLanguage string `json:"original_language"`
OriginalTitle string `json:"original_title"`
GenreIds []int `json:"genre_ids"`
Title string `json:"title"`
Overview string `json:"overview"`
ReleaseDate string `json:"release_date"`
} `json:"results"`
Page int `json:"page"`
TotalResults int `json:"total_results"`
Dates struct {
Maximum string `json:"maximum"`
Minimum string `json:"minimum"`
} `json:"dates"`
TotalPages int `json:"total_pages"`
}
type TmdbMovieDetailsResponse struct {
Adult bool `json:"adult"`
BackdropPath string `json:"backdrop_path"`
BelongsToCollection interface{} `json:"belongs_to_collection"`
Budget int `json:"budget"`
Genres []struct {
ID int `json:"id"`
Name string `json:"name"`
} `json:"genres"`
Homepage string `json:"homepage"`
ID int `json:"id"`
ImdbID string `json:"imdb_id"`
OriginalLanguage string `json:"original_language"`
OriginalTitle string `json:"original_title"`
Overview string `json:"overview"`
Popularity float64 `json:"popularity"`
PosterPath string `json:"poster_path"`
ProductionCompanies []interface{} `json:"production_companies"`
ProductionCountries []struct {
Iso31661 string `json:"iso_3166_1"`
Name string `json:"name"`
} `json:"production_countries"`
ReleaseDate string `json:"release_date"`
Revenue int `json:"revenue"`
Runtime int `json:"runtime"`
SpokenLanguages []struct {
Iso6391 string `json:"iso_639_1"`
Name string `json:"name"`
} `json:"spoken_languages"`
Status string `json:"status"`
Tagline string `json:"tagline"`
Title string `json:"title"`
Video bool `json:"video"`
VoteCount int `json:"vote_count"`
}
/* Initializer */
func NewTmdb() *Tmdb {
return &Tmdb{
log: logger.GetLogger("tmdb"),
cfg: nil,
fnAcceptMediaItem: nil,
apiUrl: "https://api.themoviedb.org/3",
apiKey: "",
timeout: providerDefaultTimeout,
genres: make(map[int]string),
supportedShowsSearchTypes: []string{},
supportedMoviesSearchTypes: []string{
SearchTypeNow,
SearchTypeUpcoming,
SearchTypePopular,
},
}
}
/* Interface Implements */
func (p *Tmdb) Init(mediaType MediaType, cfg map[string]string) error {
// validate we support this media type
switch mediaType {
case Movie:
break
default:
return errors.New("unsupported media type")
}
// set provider config
p.cfg = cfg
// validate api key set
if p.cfg == nil {
return errors.New("provider has no configuration data set")
} else if v, err := config.GetProviderSetting(cfg, "api_key"); err != nil {
return errors.New("provider requires an api_key to be configured")
} else {
p.apiKey = *v
}
// set ratelimiter
p.reqRatelimit = web.GetRateLimiter("tmdb", TmdbRateLimit)
// set default retry
p.reqRetry = providerDefaultRetry
// load genres
if err := p.loadGenres(); err != nil {
return err
}
return nil
}
func (p *Tmdb) SetIgnoreExistingMediaItemFn(fn func(*config.MediaItem) bool) {
p.fnIgnoreExistingMediaItem = fn
}
func (p *Tmdb) SetAcceptMediaItemFn(fn func(*config.MediaItem) bool) {
p.fnAcceptMediaItem = fn
}
func (p *Tmdb) GetShowsSearchTypes() []string {
return p.supportedShowsSearchTypes
}
func (p *Tmdb) SupportsShowsSearchType(searchType string) bool {
return lists.StringListContains(p.supportedShowsSearchTypes, searchType, false)
}
func (p *Tmdb) GetMoviesSearchTypes() []string {
return p.supportedMoviesSearchTypes
}
func (p *Tmdb) SupportsMoviesSearchType(searchType string) bool {
return lists.StringListContains(p.supportedMoviesSearchTypes, searchType, false)
}
func (p *Tmdb) GetShows(searchType string, logic map[string]interface{}, params map[string]string) (map[string]config.MediaItem, error) {
return nil, errors.New("unsupported media type")
}
func (p *Tmdb) GetMovies(searchType string, logic map[string]interface{}, params map[string]string) (map[string]config.MediaItem, error) {
switch searchType {
case SearchTypeNow:
return p.getMovies("/movie/now_playing", logic, params)
case SearchTypeUpcoming:
return p.getMovies("/movie/upcoming", logic, params)
case SearchTypePopular:
return p.getMovies("/movie/popular", logic, params)
default:
break
}
return nil, fmt.Errorf("unsupported search_type: %q", searchType)
}
/* Private - Sub-Implements */
func (p *Tmdb) getRequestParams(params map[string]string) req.Param {
// set request params
reqParams := req.Param{
"api_key": p.apiKey,
}
for k, v := range params {
// skip empty params
if v == "" {
continue
}
switch k {
case "country":
reqParams["region"] = v
case "language":
reqParams["language"] = v
default:
break
}
}
return reqParams
}
func (p *Tmdb) loadGenres() error {
// set request params
params := req.Param{
"api_key": p.apiKey,
}
// send request
resp, err := web.GetResponse(web.GET, web.JoinURL(p.apiUrl, "genre", "movie", "list"), p.timeout, params,
&providerDefaultTimeout, p.reqRatelimit)
if err != nil {
return errors.WithMessage(err, "failed retrieving genres api response")
}
defer web.DrainAndClose(resp.Response().Body)
// validate response
if resp.Response().StatusCode != 200 {
return fmt.Errorf("failed retrieving valid genres api response: %s", resp.Response().Status)
}
// decode response
var s TmdbGenreResponse
if err := resp.ToJSON(&s); err != nil {
return errors.WithMessage(err, "failed decoding genres api response")
}
// parse response
for _, genre := range s.Genres {
p.genres[genre.Id] = genre.Name
}
p.log.WithField("genres", len(p.genres)).Info("Retrieved genres")
return nil
}
//
//func (p *Tmdb) getMovieDetails(tmdbId string) (*TmdbMovieDetailsResponse, error) {
// // check database for this item
// existingItemJson, err := database.GetMetadataItem("tmdb", tmdbId)
// if err == nil && existingItemJson != nil {
// // item was found in database, unmarshal
// var n TmdbMovieDetailsResponse
// if err := json.Unmarshal([]byte(*existingItemJson), &n); err != nil {
// p.log.WithError(err).Errorf("Failed decoding metadata stored in database for tmdb id: %q", tmdbId)
// } else {
// return &n, nil
// }
// }
//
// // set request params
// params := req.Param{
// "api_key": p.apiKey,
// }
//
// // send request
// resp, err := web.GetResponse(web.GET, web.JoinURL(p.apiUrl, "movie", tmdbId), p.timeout, params,
// &providerDefaultTimeout, p.reqRatelimit)
// if err != nil {
// return nil, errors.WithMessage(err, "failed retrieving movie details api response")
// }
// defer web.DrainAndClose(resp.Response().Body)
//
// // validate response
// if resp.Response().StatusCode != 200 {
// return nil, fmt.Errorf("failed retrieving valid movie details api response: %s", resp.Response().Status)
// }
//
// // decode response
// var s TmdbMovieDetailsResponse
// if err := resp.ToJSON(&s); err != nil {
// return nil, errors.WithMessage(err, "failed decoding movie details api response")
// }
//
// // add item to database
// if err := database.AddMetadataItem("tmdb", tmdbId, s); err != nil {
// logrus.WithError(err).Errorf("Failed adding metadata item to database for tmdb id: %q", tmdbId)
// }
//
// return &s, nil
//}
func (p *Tmdb) getMovies(endpoint string, logic map[string]interface{}, params map[string]string) (map[string]config.MediaItem, error) {
// set request params
reqParams := p.getRequestParams(params)
p.log.Tracef("Request params: %+v", params)
// parse logic params
limit := 0
limitReached := false
if v := getLogicParam(logic, "limit"); v != nil {
limit = v.(int)
}
// fetch all page results
mediaItems := make(map[string]config.MediaItem)
mediaItemsSize := 0
ignoredItemsSize := 0
existingItemsSize := 0
page := 1
for {
// set params
reqParams["page"] = page
// send request
resp, err := web.GetResponse(web.GET, web.JoinURL(p.apiUrl, endpoint), p.timeout, reqParams, &p.reqRetry,
p.reqRatelimit)
if err != nil {
return nil, errors.WithMessage(err, "failed retrieving movies api response")
}
// validate response
if resp.Response().StatusCode != 200 {
web.DrainAndClose(resp.Response().Body)
return nil, fmt.Errorf("failed retrieving valid movies api response: %s", resp.Response().Status)
}
// decode response
var s TmdbMoviesResponse
if err := resp.ToJSON(&s); err != nil {
web.DrainAndClose(resp.Response().Body)
return nil, errors.WithMessage(err, "failed decoding movies api response")
}
web.DrainAndClose(resp.Response().Body)
// process response
for _, item := range s.Results {
// skip this item?
if item.Adult || item.Video {
continue
}
// have we already pulled this item?
itemId := strconv.Itoa(item.ID)
if _, exists := mediaItems[itemId]; exists {
continue
}
// parse item genres
var genres []string
for _, genreId := range item.GenreIds {
if genreName, exists := p.genres[genreId]; exists {
genres = append(genres, genreName)
}
}
// parse item date
date, err := time.Parse("2006-01-02", item.ReleaseDate)
if err != nil {
p.log.WithError(err).Tracef("Failed parsing release date for item: %+v", item)
continue
}
// init media item
mediaItem := config.MediaItem{
Provider: "tmdb",
Endpoint: endpoint,
TvdbId: "",
TmdbId: itemId,
ImdbId: "",
Title: item.Title,
Summary: item.Overview,
Network: "",
Date: date,
Year: date.Year(),
Runtime: 0,
Genres: genres,
Languages: []string{item.OriginalLanguage},
}
// does the pvr already have this item?
if p.fnIgnoreExistingMediaItem != nil && p.fnIgnoreExistingMediaItem(&mediaItem) {
p.log.Debugf("Ignoring existing: %+v", mediaItem)
existingItemsSize++
continue
}
// retrieve additional movie details
//movieDetails, err := p.getMovieDetails(itemId)
//if err != nil {
// // skip this item as it failed tmdb id validation
// p.log.Debugf("Ignoring, invalid TmdbId: %+v", mediaItem)
// ignoredItemsSize++
// continue
//} else {
// // set additional movie details
// mediaItem.Runtime = movieDetails.Runtime
// mediaItem.ImdbId = movieDetails.ImdbID
// mediaItem.Status = movieDetails.Status
//}
// item passes ignore expressions?
if p.fnAcceptMediaItem != nil && !p.fnAcceptMediaItem(&mediaItem) {
p.log.Debugf("Ignoring: %+v", mediaItem)
ignoredItemsSize++
continue
} else {
p.log.Debugf("Accepted: %+v", mediaItem)
}
// set media item
mediaItems[itemId] = mediaItem
mediaItemsSize++
// stop when limit reached
if limit > 0 && mediaItemsSize >= limit {
// limit was supplied via cli and we have reached this limit
limitReached = true
break
}
}
p.log.WithFields(logrus.Fields{
"page": page,
"pages": s.TotalPages,
"accepted": mediaItemsSize,
"ignored": ignoredItemsSize,
"existing": existingItemsSize,
}).Info("Retrieved")
// loop logic
if limitReached {
// the limit has been reached for accepted items
break
}
if s.Page >= s.TotalPages {
break
} else {
page++
}
}
p.log.WithField("accepted_items", mediaItemsSize).Info("Retrieved media items")
return mediaItems, nil
}